/*
 * Copyright 2002-2019 the original author or authors.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      https://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package com.hqd.ch03.v45.core.annotation;

import java.lang.annotation.Annotation;

/**
 * 注解选择策略
 *
 * @param <A>
 */
@FunctionalInterface
public interface MergedAnnotationSelector<A extends Annotation> {

    /**
     * 是否最佳匹配
     *
     * @param annotation
     * @return
     */
    default boolean isBestCandidate(MergedAnnotation<A> annotation) {
        return false;
    }

    /**
     * 选择注解
     *
     * @param existing
     * @param candidate
     * @return
     */
    MergedAnnotation<A> select(MergedAnnotation<A> existing, MergedAnnotation<A> candidate);

}
